Table 2. CD171 Expression in 1872 Mesenchymal Tumors.
| Tumor Type | Positive | / | All | (%) |
|---|---|---|---|---|
| Non-GI-tract tumors | ||||
| Alveolar rhabdomyosarcoma | 21 | / | 42 | 50.0 |
| Nephroblastoma | 9 | / | 24 | 37.5 |
| Angiosarcoma | 35 | / | 97 | 36.1 |
| Desmoplastic small round cell tumor | 4 | / | 14 | 28.6 |
| Alveolar soft part sarcoma | 2 | / | 11 | 18.2 |
| PEComa | 14 | / | 85 | 16.5 |
| Embryonal rhabdomyosarcoma | 8 | / | 55 | 14.5 |
| Synovial sarcoma | 3 | / | 34 | 8.8 |
| Chordoma | 2 | / | 39 | 5.1 |
| Benign fibrous histiocytoma | 0 | / | 94 | 0.0 |
| Kaposi's sarcoma | 0 | / | 35 | 0.0 |
| Perineurioma | 0 | / | 8 | 0.0 |
| Solitary fibrous tumor | 0 | / | 28 | 0.0 |
| GI-tract tumors | ||||
| GIST (total) | 20 | / | 1300 | 1.5 |
| Esophagus | 0 | / | 13 | 0.0 |
| Stomach (subtotal) | 15 | / | 804 | 1.9 |
| Conventional GIST | 12 | / | 750 | 1.6 |
| SDH-defficient GIST | 3 | / | 54 | 5.6 |
| Duodenum | 1 | / | 53 | 1.9 |
| Small intestine | 0 | / | 280 | 0.0 |
| Colorectum | 4 | / | 150 | 2.7 |
| Fibromyxoma, stomach | 2 | / | 6 | 33.3 |
| Sarcomas, GI-tract | 10 | / | 48 | 20.8 |
| Leiomyosarcoma, GI-tract | 5 | / | 29 | 17.2 |
| Leiomyoma, GI-tract | 3 | / | 45 | 6.7 |
| Inflammatory fibroid polyp, small intestine | 1 | / | 20 | 5.0 |
| Clear cell sarcoma, GI-tract | 0 | / | 6 | 0.0 |
| Glomus tumor, GI-tract | 0 | / | 11 | 0.0 |
| Inflammatory myofibroblastic tumor, stomach | 0 | / | 6 | 0.0 |
GI: gastrointestinal.